Design and Construction of Test Coils for MICE Coupling Solenoid Magnet

Wang, Li; Pan, Heng; Xu, Fengyu; Liu, X.K.; Chen, A.B.; Li, L.K.; Guo, Xingkui; Wu, Hong; Green, M.A.; Li, D.R.; Strauss, B.P.

doi:10.1109/tasc.2009.2018056

Cited by 7 publications

(13 citation statements)

References 5 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…These leads have a nominal IL/A = 5.2x10 6 A m -1 . The copper leads used in spectrometer magnet 2A were the same leads that were installed in the Superbend magnets at LBNL about ten years ago.…”

Section: The Results Of Thermal Tests With the Copper Leads Installedmentioning

confidence: 99%

“…The design IL/A for these leads at 275 A is given in Table 2 as the old leads. This IL/A is about 5.2x10 6 A m -1 . The test of the old leads was done with no current in the leads, with 275 A in the leads, and with an added heat load to the shield of 20 W with 275 A in the leads.…”

Section: D) a Summary Of The Thermal Tests With And Without Current Imentioning

confidence: 86%

“…The lead test was run again with the new copper leads that were used in magnet 2B. The design IL/A for these leads was about 3.3x10 6 A m -1 (see the new leads in Table 2). The test of the new leads was done with no current in the leads, with 275 A in the leads, with 275 A in the leads plus 30 W of added heat to the copper plate, and with no added heat to the copper plate with 275 A flowing through the leads.…”

Section: D) a Summary Of The Thermal Tests With And Without Current Imentioning

confidence: 99%

“…The performance of four pairs of leads of the 1b type (IL/A = 3.3x10 6 A m -1 ) is plotted on the operating diagram for a PT415 cooler in Figure 19. One of the four pairs of leads is the 1b pair of leads that is shown in Figure 18.…”

Section: D) a Summary Of The Thermal Tests With And Without Current Imentioning

confidence: 99%

“…The second magnet type to be installed at MICE is absorber focus coil (AFC) module [4]. The third type of magnet to be installed at MICE will be the RF coupling coil modules [5], [6].…”

Section: Introductionmentioning

confidence: 99%

See 4 more Smart Citations

Results from the Cooler and Lead Tests

Green¹

2010

View full text Add to dashboard Cite

The report presents the results of testing MICE spectrometer magnet current leads on a test apparatus that combines both the copper leads and the high temperature superconducting (HTS) leads with a single Cryomech PT415 cooler and liquid helium tank. The current is carried through the copper leads from 300 K to the top of the HTS leads. The current is then carried through the HTS leads to a feed-through from the vacuum space to the inside of a liquid helium tank. The experiment allows one to measure the performance of both cooler stages along with the performance of the leads. While the leads were powered we measured the voltage drops through the copper leads, through the HTS leads, through spliced to the feed-through, through the feed-through and through the low-temperature superconducting loop that connects one lead to the other.Measurements were made using the leads that were used in spectrometer magnet 1A and spectrometer magnet 2A. These are the same leads that were used for Superbend and Venus magnets at LBNL. The IL/A for these leads was 5.2x10 6 A m -1 . The leads turned out to be too long. The same measurements were made using the leads that were installed in magnet 2B. The magnet 2B leads had an IL/A of 3.3x10 6 A m -1 . This report discusses the cooler performance and the measured electrical performance of the lead circuit that contains the copper leads and the superconducting leads. All of the HTS leads that were installed in magnet 2B were current tested using this apparatus.

show abstract

Section: The Results Of Thermal Tests With the Copper Leads Installedmentioning

confidence: 99%

Section: D) a Summary Of The Thermal Tests With And Without Current Imentioning

confidence: 86%

Section: D) a Summary Of The Thermal Tests With And Without Current Imentioning

confidence: 99%

Section: D) a Summary Of The Thermal Tests With And Without Current Imentioning

confidence: 99%

“…The second magnet type to be installed at MICE is absorber focus coil (AFC) module [4]. The third type of magnet to be installed at MICE will be the RF coupling coil modules [5], [6].…”

Section: Introductionmentioning

confidence: 99%

See 3 more Smart Citations

Results from the Cooler and Lead Tests

Green¹

2010

View full text Add to dashboard Cite

show abstract

Progress on the superconducting magnets for the MICE cooling channel

Green

Virostek

et al. 2010

J. Phys.: Conf. Ser.

View full text Add to dashboard Cite

The muon ionization cooling experiment (MICE) consists of a target, a beam line, a pion decay channel, the MICE cooling channel. Superconducting magnets are used in the pion decay channel and the MICE cooling channel. This report describes the MICE cooling channel magnets and the progress in the design and fabrication of these magnets. The MICE cooling channel consists of three types of superconducting solenoids; the spectrometer solenoids, the coupling solenoids and the focusing solenoids. The three types of magnets are being fabricated in the United States, China, and the United Kingdom respectively. The spectrometer magnets are used to analyze the muon beam before and after muon cooling. The coupling magnets couple the focusing sections and keep the muon beam contained within the iris of the RF cavities that are used to recover the muon momentum lost during ionization cooling. The focusing magnets focus the muon beam in the center of a liquid hydrogen absorber. The first of the cooling channel magnets will be operational in MICE in the spring of 2010. --DISCLAIMER

show abstract

Magnetic and Cryogenic Design of MICE Coupling Solenoid Magnet System

Wang

et al. 2009

IEEE Trans. Appl. Supercond.

View full text Add to dashboard Cite

Abstract-The Muon Ionization Cooling Experiment (MICE)will demonstrate ionization cooling in a short section of a realistic cooling channel using a muon beam at Rutherford Appleton Laboratory in the UK. The coupling magnet is a superconducting solenoid mounted around four 201MHz RF cavities, which produces magnetic field up to 2.6 T on the magnet centerline to keep muons within the iris of RF cavities windows. The coupling coil with inner radius of 750mm, length of 285mm and thickness of 102.5mm will be cooled by a pair of 1.5 W at 4.2 K small coolers. This paper will introduce the updated engineering design of the coupling magnet made by ICST in China. The detailed analyses on magnetic fields, stresses induced during the processes of winding, cool down and charging, and cold mass support assembly are presented as well.

show abstract

Design and Construction of Test Coils for MICE Coupling Solenoid Magnet

Cited by 7 publications

References 5 publications

Results from the Cooler and Lead Tests

Results from the Cooler and Lead Tests

Progress on the superconducting magnets for the MICE cooling channel

Magnetic and Cryogenic Design of MICE Coupling Solenoid Magnet System

Contact Info

Product

Resources

About